The red pigment also has antibacterial properties, which work to protect the hippo from certain pathogens and accelerate its recovery from wounds. River horse. The hippopotamus-or river horse - is a belligerent creature, which puzzled the ancient Greeks by apparently sweating blood. In fact, the thick red substance, which oozes from glands all over its skin, is one of the hippo's many ingenious survival tools.
A gastrografin enema is an X-ray of the large intestine that includes the colon and rectum. It is used to diagnose problems such as obstructions and perforations in the bowel.
pepsinogen. a zymogen secreted by the chief cells of the gastric glands and converted into pepsin in the presence of gastric acid or of pepsin itself.plasma pepsinogen. high levels are indicative of extensive mucosal damage in the abomasum, as in ostertagiasis in ruminants. proenzyme or zymogen formed and secreted by the chief cells of the gastric mucosa; the acidity of the gastric juice and pepsin itself remove 44 amino acyl residues from pepsinogen to form active pepsin. Synonym(s): propepsin. [pepsin + G. -gen, producing].